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Decatur weather in June 2025
Expect 29°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Decatur in June. Check more long-term weather averages for Decatur in June before you book your next holiday to Illinois in 2025/2026.
- 2929°C max day temperature
- 10 hours of sunshine per day
- 99 days with some rainfall
- 1616°C min night temperature
- 1515 hours of daylight per day
- MModerate heat & humidity
- 100100 mm of monthly rainfall
- 99 (Very High) UV index
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Recommended for Illinois
The June weather guide for Illinois (Decatur) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Decatur in June?
Daytime temperatures usually reach 29°C in Decatur in June with moderate heat and humidity, falling to 16°C at night.
How sunny is it in Decatur in June?
There are normally 10 hours of bright sunshine each day in Decatur in June - that's 69% of daylight hours.
Does it rain in Decatur in June?
There are usually 9 days with some rain in Decatur in June and the average monthly rainfall is 100mm.
Decatur June sunrise & sunset times
Browse the sunrise and sunset times for Decatur in June 2025. Select a month to view Decatur sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 04:29 | 19:18 |
Sunday, 15th June 2025 | 04:27 | 19:26 |
Monday, 30th June 2025 | 04:31 | 19:28 |
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